Questions
The distance between the centres of the Moon and the earth is D. The mass of the earth is 81 times the mass of the Moon. At what distance from the centre of the Earth, the gravitational force will be zero?
detailed solution
Correct option is D
81GMx2=GM(D−x)2⇒9x=1(D−x) ⇒x=910DTalk to our academic expert!
Similar Questions
The percentage change in the acceleration of the earth towards the Sun from a total eclipse of the Sun to the point where the Moon is on a side of earth directly opposite to the Sun is
(Take r1 as the distance between the sun and the earth, r2 as the distance between the earth and the moon, Ms , Me and Mm are the masses of the sun, the earth and the moon respectively)
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